21132423112 has 16 divisors (see below), whose sum is σ = 40015604700. Its totient is φ = 10461595200.

The previous prime is 21132423101. The next prime is 21132423157.

21132423112 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 20571017476 + 561405636 = 143426^2 + 23694^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13076187 + ... + 13077802.

Almost surely, 2^21132423112 is an apocalyptic number.

It is an amenable number.

21132423112 is a deficient number, since it is larger than the sum of its proper divisors (18883181588).

21132423112 is a wasteful number, since it uses less digits than its factorization.

21132423112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26154096 (or 26154092 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The spelling of 21132423112 in words is "twenty-one billion, one hundred thirty-two million, four hundred twenty-three thousand, one hundred twelve".